12669172 has 24 divisors (see below), whose sum is σ = 23121000. Its totient is φ = 6066816.

The previous prime is 12669161. The next prime is 12669187. The reversal of 12669172 is 27196621.

It can be written as a sum of positive squares in 4 ways, for example, as 2972176 + 9696996 = 1724^2 + 3114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16918 + ... + 17650.

It is an arithmetic number, because the mean of its divisors is an integer number (963375).

Almost surely, 2^12669172 is an apocalyptic number.

It is an amenable number.

12669172 is a deficient number, since it is larger than the sum of its proper divisors (10451828).

12669172 is a wasteful number, since it uses less digits than its factorization.

12669172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 12669172 is about 3559.3780355562. The cubic root of 12669172 is about 233.1217228873.

The spelling of 12669172 in words is "twelve million, six hundred sixty-nine thousand, one hundred seventy-two".